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  • Air Quality Investigations

    Visit our Community Investigations page for information on South Coast AQMD activities in response to air quality incidents in local communities

    Learn more

  • AB 617

    South Coast AQMD is conducting efforts that will help improve air quality and public health in environmental justice communities. 

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  • Electric Lawn & Garden Equipment Programs

    Help clean the air by replacing lawn and garden equipment with lower emission models at substantial discounts

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  • Air Quality Sensor Performance Evaluation Center

    Learn more about the nation’s first comprehensive evaluation center to test commercially-available low-cost air quality sensors.

    Learn more
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Videos
The Right to Breathe Video
The Right to Breathe, v2.0
South Coast AQMD EV Home Charging Incentive Program Video
South Coast AQMD EV Home Charging Incentive Program
Do One Thing Video
Do One Thing
A virtual tour of Coast AQMD's laboratory
South Coast AQMD Lab Tour
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Upcoming Events
MSRC-TAC - Administrative Subc...Hybrid Meeting

Remotely via Zoom
In-Person location:
Room CC3-CC5
South Coast AQMD Headquarters
21865 Copley Drive, Diamond Bar
September 26th, 2023 | 03:30 PM
Dial in number: 1-669-900-6833
English Webinar ID: 936 5949 1548
Meeting Agenda
Board Assistants BriefingHybrid Meeting

Remotely via Zoom
In-Person location:
Judith Mitchell CC8 Room
South Coast AQMD Headquarters
21865 Copley Drive, Diamond Bar
September 28th, 2023 | 11:00 AM
Dial-in number: 1-669-900-6833 English Webinar ID: 977-4614-6323
Meeting Agenda Webcast
Proposed Rule 1435 Working Gro...Remote Meeting

Remotely via Zoom
September 28th, 2023 | 02:00 PM
Teleconference Dial In +1 669 900 6833
English Webinar ID: 968 2506 6787
Proposed Rule 1435 Webpage
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Air Quality Index (AQI) Map

Air Quality Maps

Current Air Quality Full Map Full Map Full Map
Today's Forecast Map Today's Forecast Map Today's Forecast Map Tomorrow's Forecast Map Tomorrow's Forecast Map Tomorrow's Forecast Map Full Map
Incentives & Programs
Community Programs
Community Programs
The Clean Air Choices program provides a one-stop resource for information on the benefits of using clean technologies on the road and in your home.
Business Programs
Business Programs
Financial and environmental benefits of implementing cleaner technologies from non-toxic dry cleaning machines to new or retrofit engines for heavy-duty on-road trucks.
Community Programs
Local Government
Local governments play an important role in South Coast AQMD’s strategy to meet federal and state clean air standards within the South Coast Air Basin.
Community Programs
Community Programs The Clean Air Choices program provides a one-stop resource for information on the benefits of using clean technologies on the road and in your home.
Business Programs
Business Programs Financial and environmental benefits of implementing cleaner technologies from non-toxic dry cleaning machines to new or retrofit engines for heavy-duty on-road trucks.
Community Programs
Local Government Local governments play an important role in South Coast AQMD’s strategy to meet federal and state clean air standards within the South Coast Air Basin.
Newsletter Sign Up
Periodic newsletter updates via Email on a variety of air quality-related topics
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South Coast Air Quality Management District

21865 Copley Dr, Diamond Bar, CA 91765

909-396-2000

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